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jeremybenn |
/* ----------------------------------------------------------------------------
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* ATMEL Microcontroller Software Support
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* ----------------------------------------------------------------------------
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* Copyright (c) 2008, Atmel Corporation
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the disclaimer below.
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*
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* Atmel's name may not be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
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* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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* ----------------------------------------------------------------------------
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*/
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//------------------------------------------------------------------------------
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/// \unit
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///
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/// !Purpose
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///
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/// Interface for configuration the Image Sensor Interface (ISI) peripheral.
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///
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/// !Usage
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///
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/// -# ISI_Init: initialize ISI with default parameters
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/// -# ISI_EnableInterrupt: enable one or more interrupts
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/// -# ISI_DisableInterrupt: disable one or more interrupts
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/// -# ISI_Enable: enable isi module
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/// -# ISI_Disable: disable isi module
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/// -# ISI_CodecPathFull: enable codec path
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/// -# ISI_SetFrame: set frame rate
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/// -# ISI_BytesForOnePixel: return number of byte for one pixel
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/// -# ISI_StatusRegister: return ISI status register
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/// -# ISI_Reset: make a software reset
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//------------------------------------------------------------------------------
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#ifndef ISI_H
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#define ISI_H
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//------------------------------------------------------------------------------
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// Types
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//------------------------------------------------------------------------------
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/// ISI descriptors
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typedef struct
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{
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/// Current LCD index, used with AT91C_ISI_MAX_PREV_BUFFER
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unsigned int CurrentLcdIndex;
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/// set if Fifo Codec Empty is present
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volatile unsigned int DisplayCodec;
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/// upgrade for each Fifo Codec Overflow (statistics use)
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unsigned int nb_codec_ovf;
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/// upgrade for each Fifo Preview Overflow (statistics use)
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unsigned int nb_prev_ovf;
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}ISI_Descriptors;
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/// Frame Buffer Descriptors
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typedef struct
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{
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/// Address of the Current FrameBuffer
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unsigned int Current;
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#if defined (BOARD_ISI_V200)
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/// Address of the Control
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unsigned int Control;
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#endif
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/// Address of the Next FrameBuffer
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unsigned int Next;
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}ISI_FrameBufferDescriptors;
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//------------------------------------------------------------------------------
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// Exported functions
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//------------------------------------------------------------------------------
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extern void ISI_Enable(void);
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extern void ISI_Disable(void);
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extern void ISI_EnableInterrupt(unsigned int flag);
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extern void ISI_DisableInterrupt(unsigned int flag);
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extern void ISI_CodecPathFull(void);
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extern void ISI_SetFrame(unsigned int frate);
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extern unsigned char ISI_BytesForOnePixel(unsigned char bmpRgb);
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extern void ISI_Reset(void);
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extern void ISI_Init(AT91PS_VIDEO pVideo);
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extern unsigned int ISI_StatusRegister(void);
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#endif //#ifndef ISI_H
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